Author: oxygene
Date: Thu Mar 25 22:45:25 2010
New Revision: 5297
URL: https://tracker.coreboot.org/trac/coreboot/changeset/5297

Log:
Add support to build with ccache in the build system

Signed-off-by: Patrick Georgi <[email protected]>
Acked-by: Stefan Reinauer <[email protected]>

Modified:
   trunk/Makefile
   trunk/src/Kconfig
   trunk/src/arch/i386/Makefile.bootblock.inc
   trunk/src/arch/i386/Makefile.inc
   trunk/util/abuild/abuild
   trunk/util/romcc/romcc.c

Modified: trunk/Makefile
==============================================================================
--- trunk/Makefile      Thu Mar 25 20:01:27 2010        (r5296)
+++ trunk/Makefile      Thu Mar 25 22:45:25 2010        (r5297)
@@ -61,6 +61,7 @@
 endif
 
 CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
+ROMCC:= $(obj)/romcc
 HOSTCC = gcc
 HOSTCXX = g++
 HOSTCFLAGS := -I$(srck) -I$(objk) -g
@@ -85,6 +86,17 @@
 endif
 endif
 
+ifeq ($(CONFIG_CCACHE),y)
+CCACHE:=CCACHE_COMPILERCHECK=content $(wildcard $(addsuffix /ccache,$(subst :, 
,$(PATH))))
+ifeq ($(CCACHE),)
+$(error ccache selected, but not found in PATH)
+endif
+CC := $(CCACHE) $(CC)
+HOSTCC := $(CCACHE) $(HOSTCC)
+HOSTCXX := $(CCACHE) $(HOSTCXX)
+ROMCC := $(CCACHE) $(ROMCC)
+endif
+
 strip_quotes = $(subst ",,$(subst \",,$(1)))
 
 ARCHDIR-$(CONFIG_ARCH_X86)    := i386

Modified: trunk/src/Kconfig
==============================================================================
--- trunk/src/Kconfig   Thu Mar 25 20:01:27 2010        (r5296)
+++ trunk/src/Kconfig   Thu Mar 25 22:45:25 2010        (r5297)
@@ -62,6 +62,7 @@
 config SCANBUILD_ENABLE
        bool "Build with scan-build for static analysis"
        default n
+       depends on !CCACHE
        help
          Changes the build process to scan-build is used.
          Requires scan-build in path.
@@ -73,6 +74,13 @@
        help
          Where the scan-build report should be stored
 
+config CCACHE
+       bool "ccache"
+       default n
+       help
+         Enables the use of ccache for faster builds.
+         Requires ccache in path.
+
 endmenu
 
 source src/mainboard/Kconfig

Modified: trunk/src/arch/i386/Makefile.bootblock.inc
==============================================================================
--- trunk/src/arch/i386/Makefile.bootblock.inc  Thu Mar 25 20:01:27 2010        
(r5296)
+++ trunk/src/arch/i386/Makefile.bootblock.inc  Thu Mar 25 22:45:25 2010        
(r5297)
@@ -71,7 +71,7 @@
        @printf "    ROMCC      $(subst $(obj)/,,$(@))\n"
        $(CC) -MM -MT$(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc \
                $< > $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc.d
-       $(obj)/romcc $(bootblock_romccflags) $(ROMCCFLAGS) $(INCLUDES) $< -o $@
+       $(ROMCC) -c -S $(bootblock_romccflags) $(ROMCCFLAGS) -I. $(INCLUDES) $< 
-o $@
 
 $(obj)/bootblock.elf: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o 
$(obj)/bootblock/ldscript.ld
        @printf "    LINK       $(subst $(obj)/,,$(@))\n"

Modified: trunk/src/arch/i386/Makefile.inc
==============================================================================
--- trunk/src/arch/i386/Makefile.inc    Thu Mar 25 20:01:27 2010        (r5296)
+++ trunk/src/arch/i386/Makefile.inc    Thu Mar 25 22:45:25 2010        (r5297)
@@ -195,7 +195,7 @@
 
 $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: 
$(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(obj)/romcc $(OPTION_TABLE_H) 
$(obj)/build.h
        printf "    ROMCC      romstage.inc\n"
-       $(obj)/romcc $(ROMCCFLAGS) -include $(obj)/build.h $(INCLUDES) $< -o $@
+       $(ROMCC) -c -S $(ROMCCFLAGS) -include $(obj)/build.h -I. $(INCLUDES) $< 
-o $@
 
 else
 

Modified: trunk/util/abuild/abuild
==============================================================================
--- trunk/util/abuild/abuild    Thu Mar 25 20:01:27 2010        (r5296)
+++ trunk/util/abuild/abuild    Thu Mar 25 22:45:25 2010        (r5297)
@@ -55,6 +55,9 @@
 # clang mode enabled by -sb option.
 scanbuild=false
 
+# use ccache
+ccache=false
+
 # stackprotect mode enabled by -ns option.
 stackprotect=false
 
@@ -174,6 +177,11 @@
                        echo "CONFIG_DEFAULT_CONSOLE_LOGLEVEL=$loglevel" >> 
.config
                fi
 
+               if [ "$ccache" = "true" ]; then
+                       printf "(ccache enabled) "
+                       echo "CONFIG_CCACHE=y" >> .config
+               fi
+
                if [ "$scanbuild" = "true" ]; then
                        printf "(scan-build enabled) "
                        echo "CONFIG_SCANBUILD_ENABLE=y" >> .config
@@ -495,6 +503,7 @@
        printf "    [-s|--silent]                 omit compiler calls in logs\n"
        printf "    [-ns|--nostackprotect]        use gcc -fno-stack-protector 
option\n"
        printf "    [-sb|--scan-build]            use clang's static analyzer\n"
+       printf "    [-y|--ccache]                 use ccache\n"
        printf "    [-C|--config]                 configure-only mode\n"
        printf "    [-l|--loglevel <num>]         set loglevel\n"
        printf "    [lbroot]                      absolute path to coreboot 
sources\n"
@@ -530,11 +539,11 @@
 getoptbrand="`getopt -V`"
 if [ "${getoptbrand:0:6}" == "getopt" ]; then
        # Detected GNU getopt that supports long options.
-       args=`getopt -l 
version,verbose,help,all,target:,broken,payloads:,test,cpus:,silent,xml,config,loglevel:
 Vvhat:bp:Tc:sxCl: -- "$@"`
+       args=`getopt -l 
version,verbose,help,all,target:,broken,payloads:,test,cpus:,silent,xml,config,loglevel:,ccache
 Vvhat:bp:Tc:sxCl:y -- "$@"`
        eval set "$args"
 else
        # Detected non-GNU getopt
-       args=`getopt Vvhat:bp:Tc:sxCl:o $*`
+       args=`getopt Vvhat:bp:Tc:sxCl:y $*`
        set -- $args
 fi
 
@@ -559,6 +568,7 @@
                -s|--silent)    shift; silent="-s";;
                -ns|--nostackprotect) shift; stackprotect=true;;
                -sb|--scan-build) shift; scanbuild=true;;
+               -y|--ccache)    shift; ccache=true;;
                -C|--config)    shift; configureonly=1;;
                -l|--loglevel)  shift; loglevel="$1"; shift;;
                --)             shift; break;;

Modified: trunk/util/romcc/romcc.c
==============================================================================
--- trunk/util/romcc/romcc.c    Thu Mar 25 20:01:27 2010        (r5296)
+++ trunk/util/romcc/romcc.c    Thu Mar 25 22:45:25 2010        (r5297)
@@ -24968,10 +24968,14 @@
        state.errout = stderr;
        state.dbgout = stdout;
        /* Remember the output filename */
-       state.output    = fopen(state.compiler->ofilename, "w");
-       if (!state.output) {
-               error(&state, 0, "Cannot open output file %s\n",
-                       state.compiler->ofilename);
+       if ((state.compiler->flags & COMPILER_PP_ONLY) && 
(strcmp("auto.inc",state.compiler->ofilename) == 0)) {
+               state.output    = stdout;
+       } else {
+               state.output    = fopen(state.compiler->ofilename, "w");
+               if (!state.output) {
+                       error(&state, 0, "Cannot open output file %s\n",
+                               state.compiler->ofilename);
+               }
        }
        /* Make certain a good cleanup happens */
        exit_state = &state;
@@ -25146,6 +25150,12 @@
                        else if (strncmp(argv[1], "-m", 2) == 0) {
                                result = arch_encode_flag(&arch, argv[1]+2);
                        }
+                       else if (strncmp(argv[1], "-c", 2) == 0) {
+                               result = 0;
+                       }
+                       else if (strncmp(argv[1], "-S", 2) == 0) {
+                               result = 0;
+                       }
                        else if (strncmp(argv[1], "-include", 10) == 0) {
                                struct filelist *old_head = include_filelist;
                                include_filelist = malloc(sizeof(struct 
filelist));

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